alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Magecart Domain (gigacgetski .top in TLS SNI)"; flow:established,to_server; tls.sni; bsize:15; content:"gigacgetski.top"; fast_pattern; reference:url,jscrambler.com/blog/inside-takedown-resistant-skimmer-tricks; classtype:domain-c2; sid:2065473; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_10_27, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, tag Magecart, updated_at 2025_10_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)